pool domain should always return a domain

Refs getmoto#3706
baohx2000 · Feb 17, 2021 · b244f91 · b244f91
1 parent d3ad9d6
commit b244f91
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/moto/cognitoidp/models.py b/moto/cognitoidp/models.py
@@ -195,7 +195,8 @@ def _distribution_name(self):
                 self.custom_domain_config["CertificateArn"].encode("utf-8")
             ).hexdigest()
             return "{hash}.cloudfront.net".format(hash=hash[:16])
-        return None
+        hash = hashlib.md5(self.user_pool_id).hexdigest()
+        return "{hash}.amazoncognito.com".format(hash=hash[:16])
 
     def to_json(self, extended=True):
         distribution = self._distribution_name()